phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a47d285d8ade51a1d714c2612bfdfcdd' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a47d285d8ade51a1d714c2612bfdfcdd', -1, 1716304775, 1716304775, '12760c36', -4, 0, 0)

Line : 187
File : sessions.php